Did you provide that feedback to him? You did not mention whether you installed the color ROM for South Park. You did? Click the menu button once to be sure SP shows on the info screen.
(Topic ID: 266563)
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South Park
Sega, 1999
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Quoted from NRM3333:"The different colors you're seeing are caused because the display board is sending a frame to the ColorDMD that is not recognized. Unrecognized frames are displayed in a default color. The problem you're having is unrelated to the ColorDMD and is a communication problem or hardware problem between the CPU and display boards."
This could be because you are running an older game ROM. Are you using the latest game ROM v1.03? https://www.ipdb.org/machine.cgi?id=4444
Maybe the display ROM version may be different as well. What version is on your DMD controller board? That display ROM image is not posted on IPDB. I don't have this game, so we'll have to check to see what display ROM version others are using with the ColorDMD.
Can you do a factory reset on the game? Where the lithium batteries installed recently? With the game on or off?
Ok. I would keep the Lithium batteries in since they should last 8 years or so. Could upgrade to NVRAM though to remove them completely. That does not seem like the issue right now.
I updated my post to v1.03. I had looked up a wrong game and posted v3.01 based on that game. 
I remember now reading other Whitestar games most recently having issues like that, even with an original orange plasma DMD. As Randy mentions, the ColorDMD is only displaying what it is told.
The issue others have posted recently have been related to the DMD controller. The RAM on the board must be causing what you are seeing cause the score issues displaying larger numbers than it should.
Do you have another DMD controller board you can borrow from a friend or install yours into their game? Any DE or Sega game should do. Just to make sure that R11 is removed on the other board since only one display ROM is used. Some older DE games have 2 display ROMs, such as LW3 so R11 needs to be installed.
Quoted from NRM3333:And they are the same even though the one says 1.03 and the other 1.01?
1.03 is the Game ROM on the CPU and 1.01 is the display ROM on the DMD controller. I reviewed it with Randy, and these are the correct latest revisions.
On WPC games, there is just a Game ROM that combines it all. This is the difference between Whitestar and WPC.
Quoted from NRM3333:Should I purchase a new DMD controller board or is that going overboard at the moment?
I feel better if you can prove it is the problem. This particular fault hasn't happened until very recently on a few different games.
ChrisHibler does repair these boards. He could test it and repair it, I'm sure, cheaper than what a new Rottendog board would cost.
Quoted from jaytrem:Have you tried putting the old dmd back in? Would be interesting to see if that still works properly.
I expect no change.
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